Alert archive / Colorado / Winter Weather Advisories in 2016

Winter Weather Advisory 2, NWS Pueblo, CO

January 7, 201613 counties in Colorado

NWS Pueblo, CO issued this winter weather advisory at Jan 7, 2016, 4:19 AM MST for 13 counties in Colorado. It took effect at Jan 7, 2016, 5:00 PM MST. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued: Jan 7, 2016, 4:19 AM MST (11:19 UTC)
In effect from: Jan 7, 2016, 5:00 PM MST
Expired: Jan 8, 2016, 9:52 PM MST
In force: 29 hr
Issued by: NWS Pueblo, CO

Counties Alamosa County, CO, Baca County, CO, Chaffee County, CO, Costilla County, CO, Custer County, CO, El Paso County, CO, Fremont County, CO, Huerfano County, CO, Las Animas County, CO, Mineral County, CO, Pueblo County, CO, Rio Grande County, CO, Saguache County, CO

The radar

The Pueblo radar (KPUX), 112 km from the middle of the area, began a volume at 11:19 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Grand Junction, CO (KGJT), launched 00:00Z, 11.3 hours before the alert went out and 313 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 998 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pueblo, CO wrote its last area forecast discussion before this winter weather advisory went out at Jan 7, 4:15 AM MST, 4 minutes earlier.

Area forecast discussion, Jan 7, 4:15 AM MST, 4 minutes before

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Hazardous weather outlook, Jan 6, 8:06 PM MST, 8 hours 13 minutes before

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The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 7, 4:19 AM MST	Winter Storm Warning	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 6 more	42 hr

Nearby

Winter Weather Advisories in Colorado, 2016 Every winter weather advisory in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.